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#2378742 - 09/29/17 09:52 AM EFI, Supercharger, Rowdy cam???
hudsonhornet7x Offline
super stock

Registered: 01/14/12
Posts: 990
Loc: Plumer, Pa
So the new Drag pak is a efi supercharged engine with what sounds like a very large cam. I was always told that rowdy cams and efi don't play nice. How do they do this, and can it be replicated by us common folk?
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#2378807 - 09/29/17 11:03 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
Mopar_Rich Offline
top fuel

Registered: 01/22/03
Posts: 1809
Loc: Sonora CA
Radical cams are fine with EFI as long as you don't rely on self tuning at idle. And new engines that have variable cam timing can make up for the problem at low RPMs.

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#2378811 - 09/29/17 11:08 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
hudsonhornet7x Offline
super stock

Registered: 01/14/12
Posts: 990
Loc: Plumer, Pa
I understand about the tuning. I don't think the drag pak cars have vvt but I could be wrong.
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#2379188 - 09/30/17 06:14 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
ric3xrt Offline
super stock

Registered: 01/13/06
Posts: 776
Loc: Sellersville Pa
Non VVT
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2003 Ram st
2004 Rumble Bee
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#2380550 - 10/02/17 11:21 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
Quickrunner Offline
mopar

Registered: 03/10/10
Posts: 462
Loc: Indianapolis In. usa
Look over on Yellow Bullet, there are tons of guys running various radical forced induction combos with EFI. Most are chevy LS based or ford but lots of it going on, and on VERY fast cars. You just don't see a lot of the mopar crowd on there. My drag week build plan for my 71 is to utilize that exact drag pack Whipple blower with it's larger intercooler on a stroked 6.1 block and utilize the Holley Dominator EFI to run the whole thing. The Holley is just one choice, there are several EFI systems out there capable of working in radical blown situations.


Edited by Quickrunner (10/02/17 11:42 AM)
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#2380881 - 10/02/17 08:26 PM Re: EFI, Supercharger, Rowdy cam??? [Re: Quickrunner]
ahy Offline
master

Registered: 01/22/07
Posts: 7411
Loc: IN
I run a pretty rowdy cam (NA) and EFI... for about 15 years. Some tuning required and with that works pretty well. No "self tune" with my combo.

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#2383308 - 10/07/17 07:04 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
Uberpube Offline
enthusiast

Registered: 11/30/13
Posts: 200
Loc: Southern Alberta
Use alpha N tuning with map compensation.

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#2383332 - 10/07/17 09:07 AM Re: EFI, Supercharger, Rowdy cam??? [Re: hudsonhornet7x]
hudsonhornet7x Offline
super stock

Registered: 01/14/12
Posts: 990
Loc: Plumer, Pa
Is this something the mopar plug and play gen III hemi kit can be used for?
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